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Commit b534d9bf authored by Yin-Chia Yeh's avatar Yin-Chia Yeh
Browse files

Camera: add buffer size to Stream 

So that HALs without device knowledge knows the maximal size
it can lock using graphics mapper API.

Bug: 64874137 72261675
Change-Id: I7363f5c63d955ab412f9570bf8e5be2a942cf381
parent d537eaa7

camera/device/3.4/types.hal

+16 −1
Original line number Diff line number Diff line
@@ -30,7 +30,7 @@ import @3.2::CaptureRequest; 
 * by the framework by its buffer resolution and format, and additionally by the

 * HAL with the gralloc usage flags and the maximum in-flight buffer count.

 *

 * This version extends the @3.2 Stream with the physicalCameraId field.

 * This version extends the @3.2 Stream with the physicalCameraId and bufferSize field.

 */

struct Stream {

    /**
@@ -59,6 +59,21 @@ struct Stream { 
     * instance names returned by getCameraIdList().

     */

    string physicalCameraId;



    /**

     * The size of a buffer from this Stream, in bytes.

     *

     * For non PixelFormat::BLOB formats, this entry must be 0 and HAL should use

     * android.hardware.graphics.mapper lockYCbCr API to get buffer layout.

     *

     * For BLOB format with dataSpace Dataspace::DEPTH, this must be zero and and HAL must

     * determine the buffer size based on ANDROID_DEPTH_MAX_DEPTH_SAMPLES.

     *

     * For BLOB format with dataSpace Dataspace::JFIF, this must be non-zero and represent the

     * maximal size HAL can lock using android.hardware.graphics.mapper lock API.

     *

     */

    uint32_t bufferSize;

};



/**